Sand table. Sand table is a term for using constrained sand for modeling or educational purposes. The original version of a sand table may be the abax used by early Greek students. In the modern era, one common use for a sand table is to make terrain models for military planning and wargaming
: the action or process of teaching someone especially in a school, college, or university. : the knowledge, skill, and understanding that you get from attending a school, college, or university. : a field of study that deals with the methods and problems of teaching.
30 Adult education is the expression that summarises all types of education. So when they say everywhere there is a need for the development of adult education, or that in the modern world, all nations are interdependent, and they must learn to recognize it.